After arriving at the Superdome on Sunday, Baltimore Ravens coach John Harbaugh told CBS that he and his brother, 49ers coach Jim Harbaugh, haven't spoken much this week.
Jack and Jackie Harbaugh know where they'll be after the Super Bowl.
Three years running, the Super Bowl has set a TV viewership record. CBS is hoping that happens again on Sunday.
The San Francisco 49ers prevented Lil Wayne's favorite team, the Green Bay Packers, from going to the Super Bowl.